23978570 has 96 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 7032960.

The previous prime is 23978557. The next prime is 23978579. The reversal of 23978570 is 7587932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23978579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160856 + ... + 161004.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^23978570 is an apocalyptic number.

23978570 is an abundant number, since it is smaller than the sum of its proper divisors (33477430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23978570 is a wasteful number, since it uses less digits than its factorization.

23978570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 23978570 is about 4896.7918068874. The cubic root of 23978570 is about 288.3640345834.

The spelling of 23978570 in words is "twenty-three million, nine hundred seventy-eight thousand, five hundred seventy".